The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Diabetes has long been treated as a disease of blood sugar, but a growing body of research suggests it is also a disease of anatomy, metabolism and even circuitry inside the heart. Instead of simply ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan State University scientists have built tiny beating heart organoids that can be driven into atrial fibrillation with ...